Dictionary.com
Thesaurus.com

crupper

American  
[kruhp-er, kroop-] / ˈkrʌp ər, ˈkrʊp- /

noun

  1. a leather strap fastened to the saddle of a harness and looping under the tail of a horse to prevent the harness from slipping forward.

  2. the rump or buttocks of a horse.

  3. armor for the rump of a horse.


crupper British  
/ ˈkrʌpə /

noun

  1. a strap from the back of a saddle that passes under the horse's tail to prevent the saddle from slipping forwards

  2. the part of the horse's rump behind the saddle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of crupper

1250–1300; Middle English cro ( u ) per, variant of cruper < Anglo-French. See croup 2, -er 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The crupper strap in the Sherman Monument can be unscrewed and pulled aside to allow the hatch door to be lifted off.

From New York Times

He at once caught the mule a terrific whack on the crupper, causing the animal to leap forward and leave Mrs. Gainsborough and the saddle in the path.

From Project Gutenberg

The man made no comment aloud, but jerked him roughly to the crupper; and bidding him hold fast, started the horse, which, setting off at an easy amble, quickly bore them out of F�camp.

From Project Gutenberg

These, too, they passed without suspicion, and so went jolting and clinking down the valley, every man with a bundle at his crupper, and strange odds and ends banging and swinging against his horse's sides.

From Project Gutenberg

Elizabeth Hubbard was riding home from meeting on the crupper, behind old Clement Coldum.

From Project Gutenberg